Finding the Fourth Proportional to 1,131,457.73, 1,561,280.72 and 647,994.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,457.73 : 1,561,280.72 = 647,994.02 : x
2. Step 2: Convert to fraction form
   1,131,457.73/1,561,280.72 = 647,994.02/x
3. Step 3: Cross multiply
   1,131,457.73x = 1,561,280.72 × 647,994.02
4. Step 4: Simplify right side
   1,131,457.73x = 1,011,700,559,054.92
5. Step 5: Solve for x
   x = 1,011,700,559,054.92/1,131,457.73
6. Step 6: Final answer
   x = 894,156.75